Neuro-Symbolic Intent-Based Intrusion Detection System for Internet of Medical Things
Bibliographic record
Abstract
The Internet of Medical Things (IoMT) introduces complex security challenges as interconnected medical devices enlarge the attack surface and limit the effectiveness of traditional intrusion detection systems (IDS). In this paper, we propose a Neuro-Symbolic Intent-Based Intrusion Detection System (NS-IBN) that integrates deep learning–based pattern recognition with symbolic reasoning to produce interpretable, intent-aligned security decisions. NS-IBN comprises an Intent-to-Symbol Translation Layer, an Intent-Driven Attention Mechanism, a Neural-Symbolic Synchronization Module, and a Symbolic Reasoning Engine that together link administrator-defined security intents to concrete detection behavior. In a representative intensive care unit (ICU) scenario with networked infusion pumps and vital-sign monitors, NS-IBN can be configured to detect lateral movement and unauthorized command injection while limiting disruptive false alarms for clinicians. Evaluation on the IoT-IDS2021 benchmark shows that NS-IBN achieves 98.3% accuracy, an explainability score of 0.94, and a 1.2% false positive rate, providing transparent and auditable intrusion detection for IoMT environments.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".